KR101207920B1 - Compatible type charging circuit for various types of mobile phones - Google Patents

Abstract

According to a feature of the invention, the power input unit 110 receives an input power; The size of the charging power for charging the portable terminal 80 is connected to the output terminal of the power input unit 110, the circuit is configured to receive the input power from the power input unit 110 and connected to the charging device 100 and A charge control circuit 120 converting and amplifying and outputting the frequency; And a circuit connected to an output terminal of the charging control circuit unit 120, and configured by a switch operation to output the first type charging power output circuit 31 and the second type charging power output circuit 32 or the third type charging power output. There is provided a multi-type compatible charging circuit, including; charging power output circuit 130 is switched to the circuit (33).

Description

Compatible Type Charging Circuit For Various Types Of Mobile Phones}

The present invention relates to a multi-type compatible charging circuit configured in a charging device such as a commercial charger, a vehicle charger and a battery pack, and more specifically, it is possible to switch to various types of charging power output circuit according to the switch operation, The present invention relates to a multi-type compatible charging circuit having a circuit configured to charge various portable terminals manufactured by various manufacturers using a single charging device.

In general, since portable terminals such as mobile phones and smartphones have a built-in rechargeable battery for receiving driving power according to mobility characteristics, standby time until discharging depends on the usage time and function of the portable terminal. Although different, after all, after a certain period of time to be recharged, a charging device for charging the mobile terminal was necessary.

As such a charging device, as shown in Figure 1, the commercial charger 40, the vehicle charger 50 and the battery pack 50 may be a target, where, after connecting to a commercial power outlet of 220V A commercial charger 40 for charging the mobile terminal 80 by converting an applied commercial power source is generally used. In addition, the commercial charger 40 has a circuit configured therein for charging the mobile terminal 80, the charging circuit is connected to the commercial power outlet as shown in Figure 2, to apply commercial power A charging control circuit unit 20 connected to a receiving power input unit 10 and an output terminal of the power input unit 10 and configured to convert an applied commercial power into a 5V 2A charging power for charging the mobile terminal 80. And a charging power output circuit unit 30 which is connected to the output terminal of the charging control circuit unit 20 and applies the converted charging power to the charging power input terminal having a USB 5-pin connector form of the portable terminal 80.

Here, the charging power output circuit unit for applying the charging power to the portable terminal 80 because the method (circuit configuration) to receive the charging power is different depending on the manufacturer and model of the portable terminal 80 connected to the charging circuit. The circuit configuration of 30 was also inevitably different for each mobile terminal 80.

3A to 3C illustrate various forms of the charging power output circuit unit 30 according to a manufacturer and a model of the portable terminal 80. The output terminals of the respective charging power output circuit units 31, 32, and 33 are conventional. A USB 5-pin connector, which is a conventional charging connector connection method of the mobile terminal 80, was used.

As described above, since the charging power is outputted by the charging power output circuits 31, 32, and 33 according to the manufacturer and model of the portable terminal 80, the portable devices of different types of manufacturers and models are different. In case of using the terminal 80, the charging devices are not compatible with each other, and thus, the number of charging devices must be provided in proportion to the number of the mobile terminals 80. Thus, there was inconvenience in use and resources for manufacturing each charging device. There was a wasteful issue.

The present invention was created in order to solve the above-described problems, an object of the present invention is to switch to various types of charging power output circuit according to the operation of the switch, a variety of portable terminals manufactured by various companies in one charging device It is to provide a multi-type compatible charging circuit is configured to be chargeable using a.

According to a feature of the invention, the power input unit 110 receives an input power; The size of the charging power for charging the portable terminal 80 is connected to the output terminal of the power input unit 110, the circuit is configured to receive the input power from the power input unit 110 and connected to the charging device 100 and A charge control circuit 120 converting and amplifying and outputting the frequency; And a circuit connected to an output terminal of the charging control circuit unit 120, and configured by a switch operation to output the first type charging power output circuit 31 and the second type charging power output circuit 32 or the third type charging power output. There is provided a multi-type compatible charging circuit, including; charging power output circuit 130 is switched to the circuit (33).

According to another feature of the present invention, the charging power output circuit unit 130, the first resistor (R1) between the output terminal of the charge control circuit unit 120 and the connection point of the positive port (VCC) and the data port (D +). A second resistor R2 is circuit-connected between the data port D + and the ground port GND, respectively, and a connection point between the output terminal of the charge control circuit unit 120 and the anode port VCC and the data port D−. A third resistor R3 is connected between the third resistor R3 and a fourth resistor R4 between the data port D− and the ground port GND, respectively, and the data port D + and the data port D− are connected to each other. The first switch SW1 and the second switch SW2, which are opened or shorted together by a single switch operation, are connected in series, and between the first switch SW1 and the second switch SW2. A fifth resistor (R5) is provided between the connection point and the ground port (GND) so that the circuit is connected, the first type before charging by the switch operation The output circuit 31 and the second-type charging power output circuit 32. Alternatively, the power output is a type 3 charging model-compatible, characterized in that the charging circuit is switched to the circuit 33 is provided.

According to another feature of the present invention, the second type charging power output circuit 32 includes a resistor A (RA) and a resistor B (RB) in series between the positive port VCC and the ground port GND. When the connection between the resistor A (RA) and the resistor B (RB), the data port (D +) and the data port (D-) is configured in a circuit configuration, respectively, the first of the charging power output circuit unit 130 Each resistance value of the resistor R1 and the third resistor R3 has a combined resistance value of the first resistor R1 and the third resistor R3 of the resistor A of the second type charging power output circuit 32. The resistance values of the second resistor R2, the fifth resistor R5, and the fourth resistor R4 of the charging power output circuit unit 130 are determined within the same range as the resistance value of RA. The combined resistance value of the second resistor R2, the fifth resistor R5, and the fourth resistor R4 is determined within the same range as that of the resistor B (RB) of the second type charging power output circuit 32. Provides a multi-type compatible charging circuit, characterized in that the loss do.

According to another feature of the invention, the first switch (SW1) and the second switch (SW2) is exposed to the outside of the case 101 of the charging device 100, by the sliding operation of the first switch ( Connected to the switch switch button 102 for simultaneously opening or shorting the SW1) and the second switch SW2, a multi-type compatible charging circuit is provided, characterized in that the switch is operated by the switch button 102. .

As described above, according to the present invention,

First, it is possible to switch to various types of charging power output circuit according to the operation of the switch, so that various portable terminals manufactured by various manufacturers can be universally charged using a single charging device, thereby maximizing user convenience. Resources for manufacturing the charging device can be saved.

Second, the first switch and the second switch to switch to the various types of charging power output circuit at the same time opening or short-circuit, through the configuration of the switch switch button exposed to the outside of the case of the charging device, sliding the switch switch button This makes it easy to switch to a charging power output circuit suitable for a portable terminal connected to the charging device.

Third, the circuit can be configured through low-cost sliding switches and resistors without the need for a circuit configuration such as a microcomputer and a sensing circuit for determining a model or a suitable charging power output circuit for each mobile terminal connected to the charging circuit. Can reduce the cost.

1 is a schematic view showing a type of a conventional charging device and a configuration for charging a mobile terminal using the charging device;
2 is a block diagram showing the configuration of a charging circuit mounted in a conventional charging device;
3A to 3C are circuit diagrams illustrating various forms of a charging power output circuit unit classified according to a manufacturer and a model of a mobile terminal;
4 is a block diagram and a circuit diagram showing the configuration of a charging circuit according to a preferred embodiment of the present invention;
5 is a perspective view and an enlarged view showing a configuration of charging a mobile terminal through a charging device equipped with a charging circuit according to a preferred embodiment of the present invention, and a configuration of a switch button button mounted to the charging device.

The objects, features and advantages of the present invention will become more apparent from the following detailed description. Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

First, the multi-type compatible charging circuit according to the preferred embodiment of the present invention may be compatible with various portable terminals having different charging methods (circuit configurations) for receiving charging power according to the manufacturer and the model. The charging circuit can switch the form of the charging power output circuit for each mobile terminal.

Here, the shapes of the various charging power output circuits that can be classified according to the method of receiving the charging power for each manufacturer and model of the mobile terminal 80 are as shown in FIGS. 3A to 3C.

More specifically, the charging power output circuit shown in FIG. 3A includes LG, HTC, Motorola, Nokia, Sony Ericsson, including Samsung (except Galaxy Tab), which manufactures Galaxy S products. A charging power output circuit configured to apply charging power to a general portable terminal (smartphone) manufactured by a number of manufacturing companies such as Palm Corporation, hereinafter referred to as a first type charging power output circuit 31.

In the first type charging power output circuit 31, the positive port VCC and the ground port GND are connected to pins 1 and 5 of the USB 5-pin connector, respectively, and the data port D- and the data port ( D +) is connected to pins 2 and 3, respectively, and the data port D- and the data port D + are short circuited to each other.

Here, in the case of the general portable terminal, the charging circuit is rapidly charged when the data port D + and the data port D- are interconnected regardless of the peripheral circuit configuration, and the data port D + and the data port are connected to each other. When (D-) is open, it is possible to transmit and receive data while charging at low speed, but it should be understood that only the case where the data port (D +) and the data port (D-) are interconnected will be described below. do.

Next, the charging power output circuit shown in FIG. 3B is a form of the charging power output circuit applicable to the Samsung Galaxy Tab product or the like, hereinafter referred to as a second type charging power output circuit 32. In the second type charging power output circuit 32, a resistor A (RA) and a resistor B (RB) are connected in series between the anode port VCC and the ground port GND. The connection point between the resistors B (RB) is configured such that the data port D + and the data port D- are connected to each other.

The charging power output circuit shown in FIG. 3C is a form of a charging power output circuit configured to apply charging power to a portable terminal manufactured by Apple, which manufactures iPhone, iPod, and iPad products. The charging power output circuit 33 is called. The third type charging power output circuit 33 includes a resistor R1 between the anode port VCC and the data port D +, and a resistor R2 between the data port D + and the ground port GND. Circuits are connected so that the resistor R3 is connected between the anode port VCC and the data port D-, and the resistor R4 is connected between the data port D- and the ground port GND, respectively. do.

As described above, since the shapes of the charging power output circuits 31, 32, and 33 of the charging circuit required by the mobile terminal 80 are different for each manufacturer and model, the first type charging power output circuit 31 is used. By using a charging device configured with a circuit, general mobile terminals such as Galaxy S manufactured by Samsung can be charged, but mobile terminals such as iPhone, iPod, and iPad manufactured by Apple cannot be charged. Galaxy Tab products manufactured by the company can not be charged.

In addition, by using the charging device configured as the second type of charging power output circuit 32, a general mobile terminal such as Galaxy S manufactured by Samsung or a mobile terminal such as Galaxy Tab manufactured by Samsung can be charged. However, the portable terminal manufactured by Apple may not be charged, and the portable terminal manufactured by Apple may be charged by using a charging device in which the third type charging power output circuit 33 is configured in a circuit. As well as general portable terminals such as products, it is not possible to charge portable terminals such as Galaxy Tab products.

Multi-type compatible charging circuit according to a preferred embodiment of the present invention, in order to solve this problem, the first type charging power output circuit 31 and the second type charging power output circuit 32 or according to the switch operation, It is possible to switch to the form of the third type charging power output circuit 33, a mobile device manufactured by Apple, which manufactures general mobile terminals (smartphones) including Samsung's Galaxy S products, and iPhone, iPod and iPad products The terminal, of course, is provided to enable the charging of Samsung Galaxy Tab products as a single charging device (100).

To this end, the multi-type compatible charging circuit according to a preferred embodiment of the present invention, as shown in Figure 4, including a power input unit 110, a charge control circuit unit 120, a charging power output circuit unit 130 It is provided.

First, the power input unit 110 is a component that receives input power for converting and amplifying the charging power, the charging device 100 is equipped with a multi-type compatible charging circuit according to an embodiment of the present invention 1 In the case of the commercial charger 40 as shown in the connection cord terminal 41 is connected to the commercial power of 120V as an input power, when the charging device 100 is a vehicle charger 50, the connection cord Is connected to the terminal 51 and receives output power such as 12V or 6V as an input power, when the charging device 100 is a battery pack 60 is connected to the output terminal of the rechargeable battery built in the battery pack predetermined It is provided to receive the output power of the input power. That is, the power input unit 110 may be connected to one of commercial power, vehicle power, or battery pack power to receive input power and output the input power to the charge control circuit unit 120.

The charging control circuit unit 120 is connected to the output terminal of the power input unit 110, the circuit is configured, and receives the input power from the power input unit 110 is connected to the charging device 100, the portable terminal 80 It converts and amplifies the size and frequency of the charging power for charging, and outputs the converted charging power to the charging power output circuit unit 130, the type and size of the input power applied, the form of the converted charging power And a rectifier circuit, a smoothing circuit, an amplifying circuit, a constant voltage circuit, and the like in consideration of the size. Here, the rectifier circuit, the smoothing circuit, the amplification circuit and the constant voltage circuit may be configured in a variety of ways and forms according to the circuit design of the product, it is a technique that is widely known and used in the technical field to which the present invention belongs additional description Will be omitted. That is, the charging control circuit unit 120 may be applied to any type of circuit configuration as long as the circuit configuration can be converted and amplified into the size and frequency of the charging power for charging the mobile terminal 80 by receiving the input power. .

The charging power output circuit unit 130 is connected to an output terminal of the charging control circuit unit 120 and is configured in a circuit. The first type charging power output circuit 31 and the second type charging power output circuit ( 32) or a component for switching to the third type charging power output circuit 33.

More specifically, as shown in FIG. 4, the first resistor R1 is formed between the output terminal of the charge control circuit unit 120, the connection point of the positive electrode port VCC, and the data port D +. A second resistor R2 is circuit-connected between (D +) and ground port (GND), and is connected between an output terminal of the charge control circuit unit 120 and a connection point of the anode port (VCC) and the data port (D-). The third resistor R3 has a circuit connected between the data port D- and the ground port GND, and a fourth resistor R4 is respectively connected between the data port D + and the data port D-. The first switch SW1 and the second switch SW2, which are opened or shorted together by one switch operation, are connected in series, and a connection point and a ground port between the first switch SW1 and the second switch SW2 are connected in series. A fifth resistor R5 is provided to be connected between the GNDs.

In this circuit configuration, the first switch SW1 and the second switch SW2 are switched and simultaneously opened or shorted, thereby allowing the first type charged power output circuit 31 and the second type charged power output circuit 32 to operate. ) Or a third type charging power output circuit 33.

Here, when the first switch SW1 and the second switch SW2 are all shorted by the switch operation, the data port D +, the data port D−, and the fifth resistor R5 are all connected. Since the charging power output circuit unit 130 is converted to a charging power output circuit providing the same function as the first type charging power output circuit 31 and the second type charging power output circuit 32, the general including Galaxy S products It will be possible to charge portable devices such as mobile devices and Galaxy Tab products. That is, since both of the first switch SW1 and the second switch SW2 are short-circuited, all of the mobile terminals requiring the first type charging power output circuit 31 and the second type charging power output circuit 32 are required. It can be charged.

At this time, when the charging power output circuit unit 130 is switched to the charging power output circuit providing the same function as the second type charging power output circuit 32, the first resistor R1 of the charging power output circuit unit 130 is performed. ), A distribution voltage applied to the data port D + and the data port D− by the second resistor R2, the third resistor R3, the fourth resistor R4, and the fifth resistor R5; The division voltages applied to the data port D + and the data port D− by the resistors A (RA) and B (RB) of the second type charging power output circuit 32 must correspond to each other. In addition, each resistance value of the first resistor R1 and the third resistor R3 of the charging power output circuit unit 130 is a combined resistance value of the first resistor R1 and the third resistor R3. The second resistor R2, the fifth resistor R5, and the fifth resistor R2 of the second type charging power output circuit 32 are determined within the same range as the resistance value of the resistance A (RA). Each resistance value of the four resistors (R4) is the second low. (R2), the fifth resistor (R5) and the fourth resistor (R4) of the combined resistance value is provided to be determined within the same range as the resistance value of the resistor B (RB) of the second type charge power output circuit 32 It is preferable to be.

On the other hand, when the first switch (SW1) and the second switch (SW2) are all open again by the switch operation between the connection point between the first switch (SW1) and the second switch (SW2) and the ground port (GND) Since the fifth resistor R5 connected to the circuit is disconnected in the circuit configuration, the charging power output circuit 130 is converted to a charging power output circuit providing the same function as the third type charging power output circuit 33, so that the iPod, iPhone And it is possible to charge the portable terminal manufactured by Apple, such as the iPad. That is, since both the first switch SW1 and the second switch SW2 are opened, all the portable terminals 80 requiring the third type charging power output circuit 33 can be charged.

In order to be able to switch to the first type charging power output circuit 31, the second type charging power output circuit 32, or the third type charging power output circuit 33 by the switch operation, the circuit shown in FIG. As configured, the first switch SW1 and the second switch SW2 should be provided to be opened or shorted at the same time. For this purpose, the first switch SW1 and the second switch SW2 according to the preferred embodiment of the present invention. 5, the switch is exposed to the outside of the case 101 of the charging device 100, the switching switch for simultaneously opening or shorting the first switch (SW1) and the second switch (SW2) in the sliding operation It is connected to the button 102, the switch is provided by the switch button 102 to operate.

That is, the switch switch button 102 is slid by the pressing force pushed in a direction desired by the user (in the form of the desired charging power output circuit) to operate the first switch SW1 and the second switch SW2. It is provided to open or short the two switches (SW1, SW2) at the same time.

Next, the operation principle of the multi-type compatible charging circuit according to the preferred embodiment of the present invention will be described.

First, as shown in Figure 5, after connecting the charging device 100 equipped with a multi-type compatible charging circuit according to an embodiment of the present invention to a predetermined power source, and then connected to the mobile terminal 80 through the connector 70 Configure to Here, in FIG. 5, the direction in which the switch switch button 102 slides is divided into the A direction and the S direction, and when the switch switch button 102 is slid in the A direction, the first switch SW1 and the second switch. (SW2) are all open to switch to provide the same function as the third type charging power output circuit 33, the first switch (SW1) and the second when the switching switch button 102 in the S direction For example, all of the switches SW2 are short-circuited so that the switches SW2 are switched to provide the same functions as the first type charging power output circuit 31 and the second type charging power output circuit 32.

Subsequently, when input power is applied through the charging device 100, the power input unit 110 is connected to a connection cord terminal 41 when the charging device 100 is a commercial charger 40 to provide 120V of commercial power. When the power is applied to the input power, when the charging device 100 is a vehicle charger 50 is connected to the connection cord terminal 51 is applied to the applied power, such as 12V or 6V as input power, the charging device ( If the battery pack 60 is connected to the output terminal of the rechargeable battery built in the battery pack, the battery pack power is applied to the input power, and the input power applied along the circuit connection line is connected to the rear end of the charge control circuit unit 120. To pass).

The charging control circuit unit 120 converts and amplifies the transmitted input power into a magnitude and a frequency of charging power for charging the mobile terminal 80 connected to the charging device 100, thereby charging power output circuit 130. To pass.

Subsequently, when the portable terminal 80 connected to the charging device 100 is a portable terminal manufactured by Apple, such as an iPhone or an iPod iPad product suitable for the third type charging power output circuit 33, the changeover switch When the button 102 is pushed in the A direction to perform a sliding operation, both the first switch SW1 and the second switch SW2 connected to the changeover switch button 102 are opened to open the charging power output circuit 130. The fifth resistor R5, which is connected between the connection point between the first switch SW1 and the second switch SW2 and the ground port GND, is disconnected in a circuit configuration, so that the charging power output circuit 130 is connected to the third type. The charging power output circuit 33 is switched to provide the same function as the charging power output circuit 33. Accordingly, the charging power transferred to the charging power output circuit 130 may be applied to the mobile terminal 80.

In addition, the mobile terminal 80 connected to the charging device 100 is suitable for the first type charging power output circuit 31, including Samsung (except Galaxy Tab), which manufactures Galaxy S products, LG, HTC Samsung's Galaxy Tab, which is a general mobile terminal (smartphone) manufactured by a number of manufacturers such as Motorola, Nokia, Nokia, Sony, Ericsson, and Palm, or suitable for the second type rechargeable power output circuit 32 In the case of a product, when the sliding switch button 102 is pushed in the S direction to perform a sliding operation, both the first switch SW1 and the second switch SW2 connected to the switch switch button 102 are short-circuited and charged with power. As the data port D +, the data port D−, and the fifth resistor R5 of the output circuit 130 are all connected, the charging power output circuit 130 is connected to the first type charging power output circuit 31 and Switched to provide the same function as the second type charging power output circuit 32, The charging power delivered to the charging power output circuit 130 is converted to the same form as the normal third type charging power output circuit 33 to the portable terminal 80, and thus transferred to the charging power output circuit 130 Charging power may be applied to the mobile terminal 80.

In this way, the first switch (SW1) and the second switch (SW2) for switching to the various types of charging power output circuit at the same time open or short, the switching switch exposed to the outside of the case 101 of the charging device 100 Through the configuration of the button 102, it is possible to easily switch to a charging power output circuit suitable for the mobile terminal 80 connected to the charging device 100 by sliding the changeover switch button 102.

According to the configuration of the multi-type compatible charging circuit according to a preferred embodiment of the present invention as described above, according to the switch operation of the first switch (SW1) and the second switch (SW2) of the charging power output circuit unit 130 It is possible to switch to various types of charging power output circuits such as the first type charging power output circuit 31, the second type charging power output circuit 32, and the third type charging power output circuit 33. Various portable terminals to be manufactured can be universally charged using a single charging device 100, thereby maximizing user convenience and reducing resources for manufacturing the charging device 100.

In addition, the circuit can be implemented through an inexpensive sliding switch and a resistor without the need for a circuit configuration such as a microcomputer and a sensing circuit for determining a model or a suitable charging power output circuit 130 for each of the mobile terminals 80 connected to the charging circuit. Since it can be configured, it is possible to implement the effect of reducing the manufacturing cost.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

100 ... Charging unit 102 ... Switching switch button
110.Power input 120.Charge control circuit
130.Charging power output circuit

Claims (4)

A power input unit 110 receiving input power;
The size of the charging power for charging the portable terminal 80 is connected to the output terminal of the power input unit 110, the circuit is configured to receive the input power from the power input unit 110 and connected to the charging device 100 and A charge control circuit 120 converting and amplifying and outputting the frequency; And
The circuit is connected to the output terminal of the charge control circuit unit 120 and is configured by a switch operation. The first type charging power output circuit 31 and the second type charging power output circuit 32 or the third type charging power output circuit are formed by a switch operation. Includes; charging power output circuit 130 is switched to 33,
The charging power output circuit unit 130 has a first resistor R1 between the output terminal of the charging control circuit unit 120 and the connection point of the positive electrode port VCC and the data port D +, and the data port D +. A second resistor R2 is circuit-connected between the ground ports GND, and a third resistor R3 is connected between the output terminal of the charge control circuit unit 120 and the connection point of the positive port VCC and the data port D-. ), A fourth resistor R4 is circuit-connected between the data port D- and the ground port GND, and a single switch operation is performed between the data port D + and the data port D-. The first switch (SW1) and the second switch (SW2) which are opened or shorted together by a circuit is connected in series, between the connection point between the first switch (SW1) and the second switch (SW2) and the ground port (GND) The fifth resistor (R5) is provided to be connected to the circuit, the first type charging power output circuit 31 and the second type before charging by the switch operation Output circuit 32 or the third-type charging power source output circuit is model-compatible charging circuitry characterized in that the switch to 33.
delete The method of claim 1,
In the second type charging power output circuit 32, a resistor A (RA) and a resistor B (RB) are connected in series between the anode port VCC and the ground port GND, and the resistor A (RA). In the case where the data port (D +) and the data port (D-) are each formed in a circuit at the connection point between the resistor and the resistor B (RB),
The resistance value of each of the first resistor R1 and the third resistor R3 of the charging power output circuit unit 130 is a combined resistance value of the first resistor R1 and the third resistor R3. It is determined within the same range as the resistance value of the resistance A (RA) of the type charging power output circuit 32,
The resistance values of the second resistor R2, the fifth resistor R5, and the fourth resistor R4 of the charging power output circuit unit 130 may include the second resistor R2, the fifth resistor R5, and the fifth resistor R5. A multi-type compatible charging circuit, characterized in that the combined resistance value of the four resistors (R4) is determined within the same range as the resistance value of the resistor B (RB) of the second type charging power output circuit (32).
The method according to claim 1 or 3,
The first switch SW1 and the second switch SW2 are
It is exposed to the outside of the case 101 of the charging device 100, and is connected to the switch switch button 102 for opening or shorting the first switch (SW1) and the second switch (SW2) at the same time by a sliding operation, Multi-type compatible charging circuit, characterized in that the switch operation by the switch button button 102.

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